Chapter 6: Class 10 Chemistry Exam Tests
Class 10 Chemistry MCQs - Chapter 6
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MCQ 71: Sulphuric acid eats away metals to form
MCQ 72: Which of the following saves us from the harmful effects of incoming ultraviolet radiation from the sun?
MCQ 73: Brilliant light displays called aurora borealis occur in
MCQ 74: Which of the following contains the maximum amount of ozone?
MCQ 75: Acid rain may have pH as low as
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